Summer McIntosh achieved her fourth gold medal in the women's 400-metre individual medley at the 2025 World Aquatics Championships, breaking her own record.
Summer McIntosh beats Katie Ledecky to claim world title in women's 400m freestyle | CBC Sports
Summer McIntosh impressed with a gold medal win in the 400m freestyle, defeating Katie Ledecky and achieving her ninth long-course world title at just 18 years old.
